It is a process that causes rock to break into little pieces.
        
                    
             
        
        
        
A cross between two different lines and/ or genes that differ in two observed traits.
 
        
                    
             
        
        
        
DnaG
That’s the first answer that came up on google
        
             
        
        
        
Patterns. ... 
Cause and effect: Mechanism and explanation. ... 
Scale, proportion, and quantity. ... 
Systems and system models. ... 
Energy and matter: Flows, cycles, and conservation. ... 
Structure and function. ... 
Stability and change.
I wanna say the answer is cause and effect